JUCE/modules/juce_events/messages/juce_ApplicationBase.cpp

/*
  ==============================================================================

   This file is part of the JUCE library.
   Copyright (c) 2013 - Raw Material Software Ltd.

   Permission is granted to use this software under the terms of either:
   a) the GPL v2 (or any later version)
   b) the Affero GPL v3

   Details of these licenses can be found at: www.gnu.org/licenses

   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

   ------------------------------------------------------------------------------

   To release a closed-source product which uses JUCE, commercial licenses are
   available: visit www.juce.com for more information.

  ==============================================================================
*/

JUCEApplicationBase::CreateInstanceFunction JUCEApplicationBase::createInstance = 0;
JUCEApplicationBase* JUCEApplicationBase::appInstance = nullptr;

JUCEApplicationBase::JUCEApplicationBase()
{
    jassert (isStandaloneApp() && appInstance == nullptr);
    appInstance = this;
}

JUCEApplicationBase::~JUCEApplicationBase()
{
    jassert (appInstance == this);
    appInstance = nullptr;
}

// This is called on the Mac and iOS where the OS doesn't allow the stack to unwind on shutdown..
void JUCEApplicationBase::appWillTerminateByForce()
{
    JUCE_AUTORELEASEPOOL
    {
        {
            const ScopedPointer<JUCEApplicationBase> app (appInstance);

            if (app != nullptr)
                app->shutdownApp();
        }

        DeletedAtShutdown::deleteAll();
        MessageManager::deleteInstance();
    }
}